Compressor Surge Detection via Valve Adjustment
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Solution Overview
Problem
Industrial plants such as chemical and petrochemical refineries face equipment failures and efficiency decreases due to environmental stresses and operational issues like surge in compressors, leading to reduced performance and shortened equipment lifespan.
Innovation Solution
A system comprising sensors, data collection, and analysis platforms that monitor compressor conditions, detect potential surge events, and adjust system control valves to reduce load, thereby preventing equipment damage and maintaining efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If continuous monitoring and real-time adjustment systems are implemented, then equipment reliability and operational efficiency are improved, but device complexity and cost increase
Solution Approach 1:
The system performs preliminary detection of surge conditions by continuously monitoring compressor parameters and predicting potential surge events before they occur. This allows proactive adjustment of control valves to prevent surge, rather than reacting after the problem develops, thereby improving reliability while managing system complexity through preventive rather than corrective measures.
Solution Approach 2:
The system implements closed-loop feedback by continuously measuring compressor operating parameters, analyzing surge risk, and automatically adjusting control valves in response. This feedback mechanism enables the system to maintain optimal operation and prevent surge conditions, improving compressor reliability through automated real-time control.
2Duration of action of stationary object
If advanced data analysis and real-time surge detection are implemented, then equipment lifespan is extended and shutdowns prevented, but measurement and detection difficulty increases
Solution Approach 1:
The system detects early indicators of surge conditions by analyzing trends in compressor parameters before actual surge occurs. By identifying precursor signs and predicting imminent surge events, the system can take preventive action to avoid the damaging effects of surge, thereby extending compressor lifespan while managing the complexity of detection through predictive rather than reactive measurement.
Solution Approach 2:
The system uses control valves as intermediary components to manage surge conditions. By adjusting the control valves in response to detected surge risks, the system indirectly protects the compressor from direct surge damage, extending equipment lifespan while simplifying the detection requirement to monitoring valve position and related parameters rather than directly measuring complex surge phenomena.
3Productivity
If proactive surge prevention through automated control is implemented, then productivity is maintained and downtime reduced, but device complexity increases
Solution Approach 1:
The system enables the compressor to essentially self-regulate by automatically detecting surge conditions and adjusting control valves without external intervention. This self-service capability maintains optimal productivity by preventing surge-related downtime while managing complexity through automation that reduces the need for complex manual control procedures and operator intervention.
Solution Approach 2:
The system maintains productivity by dynamically changing operating parameters, specifically adjusting control valve positions in response to detected surge conditions. This parameter adjustment prevents compressor shutdown and maintains optimal operation, achieving the productivity benefit while the complexity is managed through focused control of key parameters rather than comprehensive system redesign.
Data Source
AI summary
A plant or refinery may include equipment such as condensers, regenerators, distillation columns, rotating equipment, compressors, pumps, turbines, or the like. Different operating methods may impact deterioration in equipment condition, thereby prolonging equipment life, extending production operating time, or providing other benefits. Mechanical or digital sensors may be used for monitoring equipment to determine whether problems are developing. For example, sensors may be used in conjunction with one or more system components to perform invariant mapping, monitor system operating characteristics, and/or predict pressure, volume, surges, reactor loop fouling, gas quality, or the like. An operating condition (e.g., of one or more pieces of equipment in the plant or refinery) may be adjusted to prolong equipment life or avoid equipment failure.